set_property SRC_FILE_INFO {cfile:E:/Project/LED/led/led/led.srcs/constrs_1/new/led.xdc rfile:../../../led.srcs/constrs_1/new/led.xdc id:1} [current_design]
set_property src_info {type:XDC file:1 line:1 export:INPUT save:INPUT read:READ} [current_design]
set_property PACKAGE_PIN N15 [get_ports key_in]
set_property src_info {type:XDC file:1 line:2 export:INPUT save:INPUT read:READ} [current_design]
set_property PACKAGE_PIN M14 [get_ports led_out]
